Home / NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.More setup: Trimble Access (R-series RoverThe receiver that moves around the job, like a survey pole or a drone. It uses the base's corrections to find its exact spot.More)
NTRIP setup: Trimble Access (R-series rovers)
In Trimble Access you save your NTRIP server once as a correction source. Then you tell your RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.More survey style to use it. (A survey style is a saved group of settings.)
Steps
- Tap ≡ and select Settings / Survey styles, select your RTK style and tap Edit.
- Select Rover data link and set Type to Internet connection.
- Open the GNSSGlobal Navigation Satellite System. The general name for GPS (USA) and the other satellite systems like GLONASS, Galileo and BeiDou.More correction source and create one: set Use RTX (internet) to No and Use NTRIP to Yes.
- Optionally set Connect directly to Mount pointOne specific correction stream on a caster, like one channel on a radio. Each one comes from a certain station or network setup.More and enter the mount point. If you don't, you'll be prompted with the source table at survey start.
- Enter NTRIP username and password, and the IP Address and IP PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.More from your provider. Turn on Send user identity info or TLS only if your provider requires it.
- Choose the GNSS internet source (controller or receiver internet), Accept and Store, then start Measure and wait for a FixThe best RTK status. The receiver has finished its math and your position is good to a couple of centimeters.More.
Before you start, get five things from your provider: the CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.More host (server address), port, username, password and mount point (the correction channel). What these mean. Find them on each provider page.
Source (official docs): Trimble Access Help: To configure a rover internet data link · Trimble Access Help: NTRIP server settings · Checked 2026-10-16. Menus can change with firmware, so follow the latest manual.